[Chimera-users] density maps

Elaine Meng meng at cgl.ucsf.edu
Mon Feb 6 12:14:03 PST 2017


Dear Antonio,
I’m guessing you created the density maps for atom types using the occupancy analysis in the MD Movie tool. In that case, the name of the data will be as you specified in the occupancy dialog.  If you did not enter the name "density map_iso.mcr” it is not from this tool, and I don’t know what it is.

In the Volume Viewer tool, you can show more than 3 dataset histograms at a time.  In the Volume Viewer menu, choose "Features… Data display options."  Then the Volume Viewer dialog will have an option “Maximum number of histograms shown” for which enter a bigger number (3 is just the default).  Then you will still have to choose the additional sets from the Data menu in Volume Viewer to show more of them than the 3 that are already shown.

<http://www.rbvi.ucsf.edu/chimera/docs/ContributedSoftware/volumeviewer/framevolumeviewer.html>
<http://www.rbvi.ucsf.edu/chimera/docs/ContributedSoftware/volumeviewer/volumeviewer.html#disp-options>

I hope this helps,
Elaine
----------
Elaine C. Meng, Ph.D. 
UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco

> On Feb 6, 2017, at 2:20 AM, Antonio Coluccia <antonio.coluccia at uniroma1.it> wrote:
> 
> Dear all
> I have computed a molecular dynamic and i would like to have the density maps for some molecules of the system. I tried with isopropanol molecules and I obtain the map for each atom type: H; C3; O3, CH and another called density map_iso.mcr My concerns are about the last one map. What does it mean? Is it the map for the whole molecules, while the other maps are for each atom type? 
> 
> Is it possible to analyse the maps contemporary thus I am able to visualize just three per time?
> 
> Any help will be really appreciated.
> Antonio




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